Homework Statement
In an attempt to quickly make iced tea, three 50 g ice cubes with a temperature of -10 C are added to 250 g of tea with a temperature of 50 C. After a short time, the system reaches equilibrium. Ice has a specific heat capacity of 0.48 kcal/kg/K and the latent heat of...
I knew it! I knew it had to be involved. The distance kinetic friction acts on must be factored in since W= force x distance. I'm a bit unsure what the distance is though. I comprised the equation mgh - 1/2mv^2 = FxD = μmgcos(θ) xD
Then I made a triangle with height h, base A, and hypotenuse...
Homework Statement
Question in entirety: Vladimir Putin has contacted you to redesign the ski jump at the Olympic games. In the ski jump, contestants begin at rest at the starting gate on top of a hill inclined at an angle of 30 with respect to horizontal. They then accelerate down the hill...